Illinois DeKalb County LaSalle County
Somonauk
A village in DeKalb County, Illinois — population 1,860 as of 2020.
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Tonight
57°F
Clear
Sunday
75°F
Sunny
Sunday Night
54°F
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Monday
79°F
Mostly Sunny
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Somonauk by the numbers
Population
1,860Population figure, 2020
Households & income
- Area
- 2.48 sq mi (6.43 km²), 0.01 sq mi water
- Median age
- 45.6
- Households
- 659
- Persons per household
- 2.4
- Median household income
- $84,583
- Median house value
- $234,400
Municipal office
- Office
- VILLAGE TRUSTEE
- Address
- PO BOX 218, SOMONAUK, IL 60552